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HOMESERVICE MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 87 (FUEL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESFUEL PRESSURE CHECKSYSTEM DIAGRAMTROUBLESHOOTING
2013 Suzuki SX4 Crossover, Automatic CVT Trans

System Diagram: Troubleshooting

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Troubleshooting
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before using the following flow, check that battery voltage is higher than 11 V. If it is lower, fuel pressure becomes lower than specification even if fuel pump and line are in good condition.
FUEL PRESSURE TROUBLESHOOTING REFERENCE CHART

Step Action YES NO
1  Was "Fuel Pump and Its Circuit Check" performed?  Go to Step 2. Go to FUEL PUMP AND ITS CIRCUIT CHECK .
2  Fuel pressure check 1 
  1. Check fuel pressure. See Fuel Pressure Basic Check 

Is check result satisfactory? 		 Go to Step 3. Go to Step 6.
3  Fuel pressure check 2 
  1. Warm up engine to normal operating temperature.
  2. Keep engine speed at 4,000 RPM.

Does fuel pressure show about same value as Step 2? 		 Go to Step 4. Go to Step 6.
4  Fuel line check 1 
  1. Check fuel pipe, fuel hose and joint for fuel leakage.

Are they in good condition? 		 Go to Step 5. Repair or replace defective part.
5  Fuel line check 2 
  1. Check fuel pipe, fuel hose and joint for damage or deformation.

Are they in good condition? 		 Fuel system is in good condition. Repair or replace defective part.
6  Was fuel pressure higher than specification in Step 2?  Fuel pressure regulator is in faulty condition, replace fuel pump assembly. Go to Step 7.
7  Fuel line check 3 
  1. Check fuel pipe, fuel hose and joint for damage or deformation.

Are they in good condition? 		 Clogged fuel filter, faulty fuel pump, faulty fuel pressure regulator or fuel leakage from hose connection in fuel tank, replace fuel pump assembly. Repair or replace defective part.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.